A hardiness zone is a geographic area with a similar average minimum temperature. The map is based on the average annual extreme minimum temperature, so people in those areas know which plants can ...

USDA growing zones are important for figuring out what to plant and when in your area. However, with recent changes, what you can plant may have changed, too.

Triple digits are coming fast this year. Here's when Texas normally sees them. Texas has eight plant hardiness zones, ranging from the cold-hardy northwestern Panhandle to the warmer southern regions.